CA933644A - Trailable switch machine with dual control - Google Patents

Trailable switch machine with dual control

Info

Publication number
CA933644A
CA933644A CA068431A CA68431A CA933644A CA 933644 A CA933644 A CA 933644A CA 068431 A CA068431 A CA 068431A CA 68431 A CA68431 A CA 68431A CA 933644 A CA933644 A CA 933644A
Authority
CA
Canada
Prior art keywords
switch machine
dual control
trailable
trailable switch
dual
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA068431A
Inventor
L. Swanton Charles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SPX Corp
Original Assignee
Charles L Swanton
General Signal Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Charles L Swanton, General Signal Corp filed Critical Charles L Swanton
Application granted granted Critical
Publication of CA933644A publication Critical patent/CA933644A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B61—RAILWAYS
    • B61L—GUIDING RAILWAY TRAFFIC; ENSURING THE SAFETY OF RAILWAY TRAFFIC
    • B61L5/00—Local operating mechanisms for points or track-mounted scotch-blocks; Visible or audible signals; Local operating mechanisms for visible or audible signals
    • B61L5/06—Electric devices for operating points or scotch-blocks, e.g. using electromotive driving means

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Control Of Electric Motors In General (AREA)
CA068431A 1969-01-23 1969-11-26 Trailable switch machine with dual control Expired CA933644A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79327569A 1969-01-23 1969-01-23

Publications (1)

Publication Number Publication Date
CA933644A true CA933644A (en) 1973-09-11

Family

ID=25159537

Family Applications (1)

Application Number Title Priority Date Filing Date
CA068431A Expired CA933644A (en) 1969-01-23 1969-11-26 Trailable switch machine with dual control

Country Status (2)

Country Link
US (1) US3557364A (en)
CA (1) CA933644A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3696244A (en) * 1970-09-30 1972-10-03 Westinghouse Air Brake Co Power operated railway switch machine control circuit
GB2313611B (en) * 1996-05-25 2000-07-05 British Railways Board Apparatus and method for monitoring the operation of electrically driven machinery

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1846689A (en) * 1931-05-11 1932-02-23 Union Switch & Signal Co Railway traffic controlling apparatus
US1889022A (en) * 1931-08-15 1932-11-29 Union Switch & Signal Co Railway switch operating apparatus
US2986630A (en) * 1956-07-30 1961-05-30 Gen Railway Signal Co Switch machine for railroads

Also Published As

Publication number Publication date
US3557364A (en) 1971-01-19

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